Spa base



FIG. 1 is a front, left, top perspective view of the spa base

FIG. 2 is a rear, right, top perspective view of the spa base

FIG. 3 is a top view of the spa base

FIG. 4 is a bottom view of the spa base

FIG. 5 is a left side view of the spa base

FIG. 6 is a right side view of the spa base

FIG. 7 is a front view of the spa base

FIG. 8 is a rear view of the spa base; and,

FIG. 9 is a front, left, top perspective view of the spa base in its environment.

The broken lines immediately adjacent the shaded area represent the bounds of the claim, while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the inventive design. 

CLAIM The ornamental design for a spa base, as shown and described. 